[release/6.0] update expected exception for cases when all requested TLS versions are disabled

[github-actions]

Backport of #65020 to release/6.0
/cc @wfurt

Fixes#64941

Customer Impact

none. test only change.

Testing

Risk

[ghost]

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Issue Details

---

Backport of #65020 to release/6.0

/cc @wfurt

Customer Impact

Testing

Risk

Author:	github-actions[bot]
Assignees:	-
Labels:	area-System.Net
Milestone:	-

[danmoseley]

test only change -- doesn't need servicing-consider label, which rings bell in tactics.

[ericstj]

/azp run runtime

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[carlossanlop]

The Build product sources job step of runtime-libraries-enterprise-linux failed with this error:

2022-02-10T19:05:00.2191062Z ##[section]Starting: Build product sources
2022-02-10T19:05:00.2202361Z ==============================================================================
2022-02-10T19:05:00.2203350Z Task : Bash
2022-02-10T19:05:00.2203975Z Description : Run a Bash script on macOS, Linux, or Windows
2022-02-10T19:05:00.2204521Z Version : 3.198.0
2022-02-10T19:05:00.2204968Z Author : Microsoft Corporation
2022-02-10T19:05:00.2205672Z Help : https://docs.microsoft.com/azure/devops/pipelines/tasks/utility/bash
2022-02-10T19:05:00.2206382Z ==============================================================================
2022-02-10T19:05:00.3927027Z Generating script.
2022-02-10T19:05:00.3942038Z Script contents:
2022-02-10T19:05:00.3943963Z docker exec linuxclient bash -c '/repo/build.sh -subset clr+libs -runtimeconfiguration release -ci /p:NoPgoOptimize=true'
2022-02-10T19:05:00.3958793Z ========================== Starting Command Output ===========================
2022-02-10T19:05:00.3976047Z [command]/bin/bash /mnt/vss/_work/_temp/6558071a-0928-4578-82cb-73652e825c29.sh
2022-02-10T19:05:00.5882637Z __DistroRid: linux-x64
2022-02-10T19:05:00.6681239Z Downloading 'https://dotnet.microsoft.com/download/dotnet/scripts/v1/dotnet-install.sh'
2022-02-10T19:25:44.2288504Z curl: (6) Couldn't resolve host 'dotnet.microsoft.com'
2022-02-10T19:25:44.2301300Z Curl failed; dumping some information about dotnet.microsoft.com for later investigation
2022-02-10T19:26:04.2567597Z 139683025289664:error:2008F002:BIO routines:BIO_lookup_ex:system lib:../crypto/bio/b_addr.c:704:Temporary failure in name resolution
2022-02-10T19:26:04.2569247Z connect:errno=11
2022-02-10T19:26:04.2716406Z ##[error]Bash exited with code '1'.
2022-02-10T19:26:04.2735710Z ##[section]Finishing: Build product sources

It's unrelated: Couldn't resolve host 'dotnet.microsoft.com', and we've seen it in other PRs: #65621